20893782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2251}}^1$

素因数の和:2293

約数の個数: 64

約数和(自身を含む): 54480384

約数和(自身を除く): 33586602

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2251, 3094, 4502, 4641, 6753, 9282, 13506, 15757, 29263, 31514, 38267, 47271, 58526, 76534, 87789, 94542, 114801, 175578, 204841, 229602, 267869, 409682, 497471, 535738, 614523, 803607, 994942, 1229046, 1492413, 1607214, 2984826, 3482297, 6964594, 10446891, 20893782]

約数ペア:

[(1, 20893782), (2, 10446891), (3, 6964594), (6, 3482297), (7, 2984826), (13, 1607214), (14, 1492413), (17, 1229046), (21, 994942), (26, 803607), (34, 614523), (39, 535738), (42, 497471), (51, 409682), (78, 267869), (91, 229602), (102, 204841), (119, 175578), (182, 114801), (221, 94542), (238, 87789), (273, 76534), (357, 58526), (442, 47271), (546, 38267), (663, 31514), (714, 29263), (1326, 15757), (1547, 13506), (2251, 9282), (3094, 6753), (4502, 4641)]